solution-Q1-a-n-ln-m-m-0-ln0-5-ln-12-75-ln0-5-2-64-N-N-0-0-5-n-6-02-10-23-0-5-2-64-9-66-10-22-A-N-1-5-10-4-9-66-10-22-1-45-10-19-Bq-

Question Number 94756 by AshrafNejem last updated on 20/May/20

s o l u t i o n : Q 1) a) n = \frac{l n (m / m_{0})}{l n 0.5} = \frac{l n (12 / 75)}{l n 0.5} = 2.64

N = N_{0} {(0.5)}^{n} = 6.02 \times 10^{23} {(0.5)}^{2.64} = 9.66 \times 10^{22}

A = λ N = 1.5 \times 10^{- 4} \times 9.66 \times 10^{22} = 1.45 \times 10^{19} B q

Commented by mr W last updated on 20/May/20

m a y b e o n l y y o u k n o w f o r w h i c h

q u e s t i o n y o u r a n s w e r i s . t h e r e f o r e

p l e a s e p o s t y o u r a n s w e r i n t h e s a m e

t h r e a d a s t h e q u e s t i o n .

Commented by MJS last updated on 20/May/20

o tempora o mores

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